圣诞树形的极光

圣诞树形的极光

A star filled night sky is shown with aurora visible in blue, purple and green. The aurora could be perceived to be a spruce tree, or even a
Christmas tree. Please see the explanation for more detailed information.
星光闪烁的夜空,蓝色、紫色和绿色的极光清晰可见。极光看起来就像一棵云杉树,甚至是一棵圣诞树。有关更多详细信息,请参阅说明。

本星际云

本星际云

An artist’s illustration shows where our Sun resides relative to local interstellar gas. The direction of motion of the Sun and local gas is
shown with arrows. Please see the explanation for more detailed information.
艺术家的插图显示了太阳相对于邻近星际气体的位置。太阳和邻近星际气体的运动方向用箭头表示。有关更多详细信息,请参阅说明。

NGC 660: 极环星系

NGC 660: 极环星系

A dark starfield has an unusual galaxy in the center. This galaxy has a spindle-like shape showing two dust lanes — one running vertically and one running diagonally from the upper left. Please see the explanation for more detailed information.
一片黑暗的星场中央有一个不寻常的星系。这个星系呈纺锤状,有两条尘埃带——一条垂直延伸,一条从左上方斜向延伸。有关更多详细信息,请参阅说明。

心脏星云的国度

心脏星云的国度

A wide star field is shown with several nebulae as identified by the rollover image. On the upper left is a large nebula named the Heart Nebula. Please see the explanation for more detailed information.
图中显示的是一片广阔的星场,其中有多个星云,如翻转图像所示。左上方是一个名为心脏星云的大星云。有关更多详细信息,请参阅说明。

丘格彗星上的一公里高悬崖

丘格彗星上的一公里高悬崖

A black and white image shows, from the side, the wall of a high jagged cliff. At the bottom of the cliff is a smooth landing dotted with rocks. Please see the explanation for more detailed information.
一幅黑白照片从侧面展示了高耸的峭壁。悬崖底部是一个光滑的着陆点,上面散布着岩石。有关更多详细信息,请参阅说明。

覆雪森林上空的双子座流星雨

覆雪森林上空的双子座流星雨

A snowy landscape is pictured below a starry sky. The very bright Moon appears on the upper right. Many streaks are visile that are meteors taken over the night. Please see the explanation for more detailed information.
照片下方是一片雪景,星空下是明亮的月亮,位于右上方。可以看到许多流星痕,都是那天夜晚拍摄的。有关更多详细信息,请参阅说明。